Cutting board



FIG. 1 is a right top perspective view of a cutting board showing my new design (the edges not shown being unadorned);

FIG. 2 is a front-end elevational view thereof (the rear end being unadorned);

FIG. 3 is a right-side elevational view thereof (the left side being unadorned); and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a cutting board, as shown and described. 